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Adaptive stabilization of continuous-time systems through a controllable modified estimation model
(Hindawi Publishing Corporation, 2004)
This paper presents an indirect adaptive control scheme of continuous-time systems. The estimated plant model is controllable and then the adaptive scheme is free from singularities. Such singularities are avoided through ...
On pole-placement controllers for linear time-delay systems with commensurate point delays
(Hindawi Publishing Corporation, 2005)
We investigate the exact and approximate spectrum assignment properties associated with realizable output-feedback pole-placement-type controllers for single-input single-output linear time-invariant time-delay systems ...
Influence of Two Vaccination Campaigns on Genetic Diversity of Invasive Neisseria meningitidis Isolates in Northern Spain (1997–2008)
(Public Library of Science, 2009-12-30)
Background: Neisseria meningitidis diversifies rapidly, due to its high recombination rates. The aim of this study was to analyze the possible impact of two vaccination campaigns (a once-off A/C polysaccharide vaccination ...
Oscillatory behavior in linear difference equations under unmodeled dynamics and parametrical errors
(Hindawi Publishing Corporation, 2007)
This paper investigates the presence of oscillating solutions in time-varying difference equations even in the case when there exist parametrical errors (i.e., errors in the sequences defining their coefficients) and/or ...
La autoridad en María de Ajofrín y Teresa de Cartagena, ¿un desafío?
(Universidad de Granada, 2004-07)
[ES] Este artículo analiza los recursos utilizados por María de Ajofrín y Teresa de Cartagena
para crear un paradigma femenino de autoridad creadora. Aunque parten de circunstancias
similares, sus soluciones difieren. ...
Analysis of latent tuberculosis and mycobacterium avium infection data using mixture models
(BioMed Central, 2006-09-28)
Background: Estimation of the frequency of latent tuberculosis infection (LTBI) is difficult in areas with low tuberculosis infection rates and high exposure to non-tuberculous mycobacteria (NTM), including BCG vaccination. ...
¿Es tan perjudicial la televisión que ven los jóvenes y adolescentes?
(Universidad del País Vasco / Euskal Herriko Unibertsitatea, 2006)
[Es] En este trabajo se presentan los resultados de un estudio piloto realizado en la Comunidad Autónoma del País Vasco con una muestra de sujetos con edades comprendidas
entre 12 y 40 años. Dentro de una investigación ...
La civilización vasca medieval: vida(s), cotidiana(s), mentalidad(es) y cultura(s)
(Sociedad de Estudios Vascos / Eusko Ikaskuntza, 2001)
[ES]A lo largo de las páginas de este trabajo se pasa revista a diversas cuestiones que permiten realizar una aproximación a las diversas formas de vida cotidiana y mentalidad del País Vasco y Navarra durante los siglos ...
Gestores personales de bases de datos de referencias bibliográficas: características y estudio comparativo
(Swets & Zeitlinger, 2007-11)
[ES] Se estudian las características comunes y específicas de los gestores personales de bases de datos de referencias bibliográficas más utilizados: Reference Manager, EndNote, ProCite, RefWorks y EndNote Web. Los Apartados ...
Survey of the fatty acid composition of Canadian beef: Backfat and longissimus lumborum muscle
(Agricultural Institute of Canada, 2009-09)
[EN]A survey of Canadian retail beef was undertaken with emphasis on the trans fatty acid (TFA) and conjugated linoleic acid (CLA) isomers, and compared with current health recommendations. Thirty striploin steaks were ...